[INFO] cloning repository https://github.com/gilbertw1/mpwc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gilbertw1/mpwc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertw1%2Fmpwc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertw1%2Fmpwc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f4d34eb75f0e2caeeaadc10a8ebdfc094819817
[INFO] checking gilbertw1/mpwc against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgilbertw1%2Fmpwc" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gilbertw1/mpwc on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gilbertw1/mpwc
[INFO] finished tweaking git repo https://github.com/gilbertw1/mpwc
[INFO] tweaked toml for git repo https://github.com/gilbertw1/mpwc written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/gilbertw1/mpwc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9de60a6354ead14bd2c235902ca213b31f53839a1fea7bfc7728a1da6365e098
[INFO] running `Command { std: "docker" "start" "-a" "9de60a6354ead14bd2c235902ca213b31f53839a1fea7bfc7728a1da6365e098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9de60a6354ead14bd2c235902ca213b31f53839a1fea7bfc7728a1da6365e098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9de60a6354ead14bd2c235902ca213b31f53839a1fea7bfc7728a1da6365e098", kill_on_drop: false }`
[INFO] [stdout] 9de60a6354ead14bd2c235902ca213b31f53839a1fea7bfc7728a1da6365e098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 469b6bb49340ef776dd94cb520f90f0f5f635b8be02007fac04aa272ab358c62
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "469b6bb49340ef776dd94cb520f90f0f5f635b8be02007fac04aa272ab358c62", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking secstr v0.3.0
[INFO] [stderr]     Checking atty v0.2.3
[INFO] [stderr]     Checking rpassword v2.0.0
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking clap v2.26.2 (https://github.com/kbknapp/clap-rs.git#569ced1f)
[INFO] [stderr]    Compiling libsodium-sys v0.0.15
[INFO] [stderr]     Checking sodiumoxide v0.0.15
[INFO] [stderr]     Checking rusterpassword v0.2.1 (https://github.com/gilbertw1/rusterpassword#3db73ece)
[INFO] [stderr]     Checking mpwc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.27s
[INFO] running `Command { std: "docker" "inspect" "469b6bb49340ef776dd94cb520f90f0f5f635b8be02007fac04aa272ab358c62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "469b6bb49340ef776dd94cb520f90f0f5f635b8be02007fac04aa272ab358c62", kill_on_drop: false }`
[INFO] [stdout] 469b6bb49340ef776dd94cb520f90f0f5f635b8be02007fac04aa272ab358c62